/*
 * Copyright (c) 2011-2012 Alexander Dubu
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * o  Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 * o  Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * o  Neither the name Axil nor the names of its contributors may be used to
 *    endorse or promote products derived from this software without specific
 *    prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

package axil.etc;

import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.io.Reader;
import java.util.ArrayList;
import java.util.List;
import java.util.Properties;

import static axil.framework.Functions.close;


/**
 * A simple wrapper for the limited capabilities of the Java Properties object.
 */
public class PropertyFile {
	private Properties props;


	public PropertyFile(File file) {
		props = new Properties();
		Reader in = null;
		try {
			in = new FileReader(file);
			props.load(in);
		} catch (IOException e) {
			throw new RuntimeException(e);
		} finally {
			close(in);
		}
	}


	public PropertyFile(Reader in) {
		props = new Properties();
		try {
			props.load(in);
		} catch (IOException e) {
			throw new RuntimeException(e);
		} finally {
			close(in);
		}
	}


	public String string(String key) {
		return props.getProperty(key);
	}


	public int integer(String key, int defval) {
		String v = props.getProperty(key);
		return v == null ? defval : Integer.parseInt(v);
	}


	public boolean bool(String key, boolean defval) {
		String v = props.getProperty(key);
		return v == null ? defval : Boolean.parseBoolean(v);
	}


	public List<String> list(String key) {
		List<String> list = new ArrayList<String>();
		String v = props.getProperty(key);
		if (v != null) {
			for (String s : v.split(",")) {
				list.add(s.trim());
			}
		}
		return list;
	}
}
